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Great Geek Speak Showdown What’s a modem?

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what s a modem
What’s a modem?
  • A modem modulates and demodulates info between your computer, which is digital and works with info that’s in concrete, countable chunks (like ice cubes), and the phone lines, which are analog and work with info that’s infinite, flowing, uncountable (like water).
  • A modem turns digital info from your computer into analog info so it can go over the phone lines; the modem on the other end turns the analog info back into digital info so the other computer can understand it.
what are 2 types of high speed connections
What are 2 types of high-speed connections?
  • satellite
  • cable
  • T1 and T3 lines
  • DSL
  • ISDN
  • and variations of those
how does bandwidth speed affect the time it takes images to load on your computer
How does bandwidth (speed) affect the time it takes images to load on your computer?
  • The faster the modem or high-speed connection, the more information your computer can process at one time and the faster it will load text, graphics and multimedia.
acceptable download times
Acceptable download times
  • It depends.
  • A modem user may wait 20 minutes for movie video trailer but not more than 10 seconds for corporate contact info.
  • Another important consideration is technological limitations of your audience. Fortune 500 CEOs will probably have faster access times than high school teachers using shared connections and old modems.
what 2 culprits can make download times long
What 2 culprits can make download times long?
  • Computer viruses
  • Heavy traffic (after 9/11)
  • Too many images
  • Images too big
  • Bloated page code—huge, poorly coded tables and forms can slow download times
what s an isp
What’s an ISP?
  • Internet Service Provider
  • If you’re not a member of an online service like AOL, you can get a direct connection through an ISP, which has a computer connected to the Internet 24 hours a day, usually with a high-speed connection.
  • Pay a fee.
what s the world s largest commercial online service
What’s the world’s largest commercial online service?
  • AOL, founded in 1992. How many free disks do you have?!?
what s a server
What’s a server?
  • Server = a computer connected to the Internet that sends (or “serves”) files to other computers that request them 24 hours a day
  • Can any computer be a server?
  • Yes, but most organizations have a juiced-up computer dedicated to serving Web sites.
  • When we finish the Cronkite zine, we’ll post it to the Cronkite server.
what s a browser
What’s a browser?
  • browser = software that enables you to see Web pages
  • What are examples of browsers?
  • Netscape,IE, Safari, Firefox
what s the difference between a web site and a home page
What’s the difference between a Web site and a home page?
  • Web site = collection of related pages
  • home page = main page (usually first page) that serves as a table of contents
what does url mean
What does URL mean?
  • URL = Uniform Resource Locator
  • Internet address used to locate sites on the Internet, much like your street address locates where you live
do you need www in a web address
Do you need “www” in a Web address?
  • Nope; it’s just a convention that stands for World Wide Web.
  • Some sites won’t load, however, unless you type in www.
  • Other sites, such as Cronkite zine (http://cronkitezine.asu.edu), won’t work if you include “www.”
what s a domain name
What’s a domain name?
  • domain name = unique name given to an Internet address, including type of site, such as .edu (education), .gov (government), .org (organization) or .com (commercial)
  • http://www.chicagotribune.com

name of og.commercial site

  • Parts of the address are separated by dots.
what s the address after the domain name called
What’s the address after the domain name called?

Path tells the browser where to find the page

http://www.asu.edu/cronkite/journalism.html

http = hypertext transfer protocol

asu.edu = domain name

cronkite/journalism.html = path

First slash tells browser to look inside asu.edu folder for a folder or file called cronkite.

Second slash tells browser to look inside cronkite folder for a file called journalism.html.

what does html stand for
What does HTML stand for?
  • Hypertext Markup Language
  • What does HTML allow you to do?
  • Simple, universal code allows you to create complex pages of text and images that can be viewed on the Web, regardless of the type of computer or browser
what are megabytes
What are megabytes?
  • One million bytes of data storage
  • “Mega” means “million” (Remember the “m” in both!)
what are gigabytes
What are gigabytes?
  • One billion bytes of data storage
  • “Giga” means “billion”
what are the 2 formats for saving digital graphics
What are the 2 formats for saving digital graphics?
  • GIF = Graphics Interchange Format
    • Remember the “G” for Graphics
    • Best for drawings, cartoons and stuff with limited colors
  • JPEG = Joint Photographic Experts Group
    • Pronounced “JAY-peg”
    • Remember the “P” for Photographic
    • Best for photos and stuff with lots of colors
    • Also known as JPG
  • You don’t need to remember what GIF and JPEG stand for, just what they’re best used for
what are 2 common formats for digital audio
What are 2 common formats for digital audio?
  • WAV = Waveform Audio File Format
  • MP3
  • You don’t need to remember what WAV stands for, just what it’s used for (digital audio)
what are 2 high quality formats for digital video
What are 2 high-quality formats for digital video?
  • .mov = Quicktime
  • MPEG4 = Motion Picture Experts Group
  • You don’t need to remember what MPEG stands for, just what it’s used for (digital video)
why do you use the 6 digit hex number
Why do you use the 6-digit hex number?
  • To create a specific color
what does cross platform mean
What does cross-platform mean?
  • A computer language, software application or piece of hardware that works on more than one platform, such as Linux, Unix, Microsoft Windows or Macintosh
which html section contains the content displayed in the browser
Which HTML section contains the content displayed in the browser?
  • <body> = visible content on web page
  • <head> = brains
what s the difference between paragraph break in html
What’s the difference between paragraph & break in HTML?
  • Paragraph = space between the lines
    • <p>Blah blah blah </p>
  • Break = no space between the lines
    • <br>Blah blah blah </br>
what s the html code for centering something
What’s the HTML code for centering something?
  • <p align = “center”>
  • <p align = “left”>
  • <p align = “right”>
is this correct if not how would you fix it
Is this correct? If not, how would you fix it?
  • <h1> Big Boy <i> tomato </h1> </i>
what s the difference between external and internal links
What’s the difference between external and internal links?
  • External (remote) links connect your Web page to Web pages outside your site. You need to include the complete URL, such as http://www.asu.edu.
  • Internal links connect to other pages inside the same Web site.
what s an anchor
What’s an anchor?
  • An anchor generally jumps the user somewhere else in the same Web page, such as Jump to top at the bottom of a long page.
  • An anchor can also jump the user to a specific place on another Web page.
what do tables enable you to do
What do tables enable you to do?
  • Align things in columns and rows.
  • If you don’t want the border to show around your table, what should the border amount be?
  • 0
what s the difference between absolute and relative table widths
What’s the difference between absolute and relative table widths?
  • If you choose an absolute pixel width, such as 400, your table will remain that exact size no matter how a visitor changes the size of the browser window.
  • If you choose a relative percent, then the table will resize according to the size of the browser window.
  • You usually set absolute values for the width of tables.
what does http mean
What does http mean?
  • http = hypertext transfer protocol, a system of rules that computers on the World Wide Web use to transfer HTML documents
  • hypertext = links that connect you to other pages when you click on them
  • All HTML documents on the Web start with http in lower case.
  • You don’t need to type in http://
what s a plug in
What’s a plug-in?
  • plug-in = software-based enhancements that do cool things; many come with your browser software

• Examples of plug-ins: Shockwave, PDF, RealAudio

  • What do you see on your screen if a plug-in is missing?
  • A broken icon
what are bits
What are bits?
  • Smallest unit of data transmitted on computers
  • Each bit has a value of 0 (off) or 1 (on)
what are bytes
What are bytes?
  • String of eight bits, the unit of data needed to store one character
  • A byte to make the letter “A” requires the eight digits 01000001
what s streaming
What’s streaming?
  • Users can start to listen to audio file or watch a video while it’s downloading
  • RealAudio is most popular streaming format for audio
  • MIDI (Musical Instrument Digital Interface) can play music in HTML through small synthesizers built into most sound cards
what does wysiwyg mean
What does WYSIWYG mean?
  • What you see is what you get
  • In Dreamweaver, for example, you see the elements as you arrange them on the page because the program creates the HTML coding